Safety Warning

DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.

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HOMESERVICE MANUALSCHEVROLET2019TAHOE LS, 4WD, GAS/ETHANOLREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 38 (ENGINE COOLING SYSTEM)REPAIR INSTRUCTIONSWATER OUTLET REPLACEMENT (LUV)INSTALLATION PROCEDURE

2019 Chevrolet Tahoe LS, 4WD, Gas/Ethanol

Installation Procedure

2019 Chevrolet Tahoe LS, 4WD, Gas/EthanolSECTION Installation Procedure

WARNING: This page is about a different car, the 2018 Chevrolet Sonic. However, it is still accessible from the selected car via links, so may be relevant.

Clean the sealing surfaces.
Courtesy of GENERAL MOTORS COMPANY

Install the water outlet (3) and a NEW water outlet seal (2).

CAUTION:

Refer to Fastener Caution .

Install the water outlet bolts (1) and tighten to 8 N.m (71 lb in).
Courtesy of GENERAL MOTORS COMPANY

Install the heater outlet hose (1) and the heater inlet hose (2).
Courtesy of GENERAL MOTORS COMPANY

Connect the following:
- Engine coolant temperature sensor (2) and connector clip (3)
- Heated oxygen sensor connector (4)
- Engine coolant air bleed hose connector (1)
Fill the engine coolant system. Refer to Cooling System Draining and Filling .
Start the engine and check for coolant leaks.

RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

• You smell fuel, burning insulation, or see smoke.
• Brakes feel soft, pull hard to one side, or make grinding noises.
• The engine overheats, stalls repeatedly, or misfires under load.
• You are missing required tools, torque specs, or safe lifting equipment.
• You are not confident in the next step or safety outcome.